390 Field Muskum of Natural Histomv — Repoets, Vol. V. 



vontiu s r'',riMliu'. .1 arc: The Wesi Indian; The C alan; TTie 



Mi'XK^n, und u hybrid s<TtinM by crcKsinn the GxiaLciiuiuin and the 

 Mexican. The OK>»mit k iVi'i ntui/era): fnlarRcd male and female 

 flowers toRcthcr wiih a s<viion of the female flower revealing iueMential 

 characters. The Spider Lily {H ymcnocaUis cariba^a) : a full size flower- 

 injj plant. Cotton plant {Gossypium horbodrnsf): an entire plant in full 

 leaf, flower and ripe l>oll, natural size; an enlarged flower, in tectioa, 

 revealing the essential organs. Zamia {Zamia floridana)'. enlarged 

 spor- * and a fruiting cone of this s]xxncs illustrating the floral 



characi< of the < ' *' .^ocs (A/.. • a): three 



varictic><>; i iii> delicious imu ■•; un .-■umac Famiij, , ;!'>« ix.:,^ cultivated 

 for the market in southern Florida: "The Mulgoba," "The Haden," 

 and "The Amiri." A Green Alga {Ocdof^onium): eight enlargements 

 illustrating reproduction in this group; whole mass of the plant, mag- 

 nifunl; asi'xual reproduction, the o6gonia; the sperm cells; dwarf 

 males; resting stage, o6s]x>re; germination, zoospores; fertilization. A 

 Green Alga (UloOirix): four enlargements illustrating this genus: A 

 piece of a filament, spore formation; swarm-spores, germination; con- 

 j'i pores. More or less work has also been done on the 



foii"».;,v. >u..iies now in process of production: Coconut (Cocos nuci- 

 fera); rniroduction of a natural size tree top in leaf, full flower and 

 fruit. Zamia {Zamia floridana); a full size plant of this important 

 starch-producing cycad. Four-'o-Clock (Afirabilis jalapa) ; a portion of 

 a natural size plant and a number of various colored flowers, designed 

 to illustrate Mendelian principles of heredity. Screw Pine {Pandantis 

 Htilis); reproduction of a portion of the plant, natural size. Pride-<rf- 

 India (Mdia Ascdaracha); an enlarged flower revealing the essential 

 organs, to illustrate chara< ' s of the Mahogany Family. Alga 



(Bryopsis pluntvsa); an cnla:..- ■. iip of a frond. 



During the first i)art of the year i>acking in the Department of 

 Geology of all material and cases intended for the new buildinr was 

 completed. This included packing of the contents of forty-two 

 tion cases remaining installed at the dose of last year, a large quantity 

 of material bcl to the study collections, furniture and equipment 



of the offices and ialxiratories of the dq>artmcnt and some collections 

 and  that for lack of exhibition space had been ' in the 



baaemcut. As noted in a previous report, the nature of nca: i" 'A:c 

 spedniens in the exhibition cases made it necessary to remove liii : - m 

 these cases in order to put them in a safe condition for transpona*. 

 In some instances after being packed in proper receptacles, the S] 

 mens were returned to the cases and the cases used as carriers, but 

 it was found possible to move only three cases and contents without 



i 



